Re: [linux-next:master 14086/14440] lib/cmdline.c:188: undefined reference to `__efistub___lshrdi3'

[Andrew Morton <akpm@linux-foundation.org>]

On Mon, 04 May 2026 13:22:00 +0800 kernel test robot <lkp@intel.com> wrote:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   b9303e6bff706758c167af686b5315ad00233bf8
> commit: 7f448f913d6f048e448df40a877be6f5afb5249d [14086/14440] lib: fix memparse() to handle overflow
> config: riscv-randconfig-001-20260504 (https://download.01.org/0day-ci/archive/20260504/202605041353.nsZSMiIC-lkp@intel.com/config)
> compiler: riscv32-linux-gcc (GCC) 8.5.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260504/202605041353.nsZSMiIC-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202605041353.nsZSMiIC-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    riscv32-linux-ld: ./drivers/firmware/efi/libstub/lib-cmdline.stub.o: in function `memparse':
> >> lib/cmdline.c:188: undefined reference to `__efistub___lshrdi3'

Still there.  

Thanks.  I've forgotten what's happening here, and I'm probably not the
only one!  I'll remove the "lib and lib/cmdline enhancements, v9"
series from mm.git - Dmitry, please let's start again?